/* ================================
   NAVIGATION STYLES
   ================================ */

/* === SCROLL PROGRESS BAR === */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--accent-color);
  z-index: 9999;
  border-radius: 0 2px 2px 0;
  transition: width 0.3s ease;
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

/* === STICKY NAVIGATION === */
.sticky-nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-icon {
  font-size: 1.2rem;
  background: var(--gradient);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5));
}

.nav-name {
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(139, 92, 246, 0.1),
    transparent
  );
  transition: left 0.6s ease;
}

.nav-link:hover {
  color: var(--accent-color);
  background: rgba(139, 92, 246, 0.1);
  transform: translateY(-2px);
}

.nav-link:hover::before {
  left: 100%;
}

.nav-link.active {
  color: var(--accent-color);
  background: rgba(139, 92, 246, 0.15);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
  gap: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 3px;
  background: var(--text-primary);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .sticky-nav {
    top: 10px;
    left: 10px;
    right: 10px;
    transform: none;
    padding: 16px 20px;
  }

  .nav-container {
    justify-content: space-between;
    gap: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    margin: 4px 0;
  }
}